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M68HC08 bảng dữ liệu(PDF) 33 Page - Freescale Semiconductor, Inc

tên linh kiện M68HC08
Giải thích chi tiết về linh kiện  Microcontrollers
PDF  188 Pages
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nhà sản xuất  FREESCALE [Freescale Semiconductor, Inc]
Trang chủ  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

M68HC08 bảng dữ liệu(HTML) 33 Page - Freescale Semiconductor, Inc

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Memory
FLASH 2TS Memory
MC68HC908RF2 — Rev. 4.0
Data Sheet
MOTOROLA
Memory
33
Figure 2-4. Smart Programming Algorithm Flowchart
PROGRAM FLASH 2TS
INITIALIZE ATTEMPT COUNTER
SET PGM BIT AND FDIV BITS
WAIT THVTV
WAIT tVTP
SET HVEN BIT
CLEAR PGM BIT
SET MARGIN BIT
WAIT tHVD
INCREMENT ATTEMPT COUNTER
Y
N
TO 0
Y
N
PROGRAMMING OPERATION
FAILED
PROGRAMMING OPERATION
COMPLETE
WRITE DATA TO
SELECTED PAGE
WAIT tSTEP
CLEAR HVEN BIT
MARGIN READ PAGE OF DATA
CLEAR MARGIN BIT
MARGIN READ DATA
EQUAL TO
WRITE DATA?
READ FLASH BLOCK PROTECT REG.
Page Program/Margin Read Procedure
Note: This page program algorithm
assumes the page/s to be programmed
are initially erased.
Note: This algorithm is mandatory for
programming the FLASH 2TS.
SET INTERRUPT MASK:
CLEAR MARGIN BIT
CLEAR INTERRUPT MASK:
SEI INSTRUCTION
CLI INSTRUCTION
ATTEMPT COUNT
EQUAL TO
flsPulses?
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com



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